5.05 Caesar Cipher App

A function is a procedure that returns a value.

• • • • • 1. Global variables can be changed and used anywhere in the program. Local variable work just in a specific procedure. a global variable is harder to debug because they can be changed anywhere in the program. a local variable is easier to debug because only the specific procedure where it is used has to be debugged. Local variables also take up less memory in the computer.